These Bollé IRI-S Safety Glasses feature a bifocal reading area. They have been designed to fit all face shapes. Ultra-modular with infinitely adaptable features. The unique B-Flex shape memory bridge is height and width adjustable. They also feature pivoting non-slip ergonomic temples. Optical class 1 polycarbonate lenses with PLATINUM anti-scratch and anti-fog lenses. They are supplied with sports cord. Available in a variety of reading powers. EN Standards: EN 166/170/172 1FT. These Bollé Safety IRI-S Platinum Safety Glasses have clear lenses. Approved for permanent wear and certified with perfect optical quality with anti-fog and anti-scratch coatings, 99.9% UVA/UVB protection. Specification Bifocal Reading Area: +2.5. Lens Type: Clear, Anti-Fog and Anti-Scratch. Lens Conforms to: EN170-UV 2C-1.2. Frame Conforms to: EN1661FT.